Study Nawijn (2011a): study NL 2007

Public:

Adults, general public, Netherlands, followed 2 years, 2007-2008

Sample:

Respondents:

N = 3650

Non Response:

36% drop-out at T2

Assessment:

Questionnaire: paper
Participants completed a questionairre every 3 months

Correlate

Authors's label

number of days traveled

Our Classification

Operationalization

number of days traveled

Observed Relation with Happiness